Everyday Mathematics (IMO- Mathematics Olympiad Class 8): Questions 88 - 92 of 100

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Question number: 88

» Everyday Mathematics

MCQ▾

Question

The total area of a square and a rectangle is equal to 1125 sq. cm. The length of one side of square and rectangle is 25 cm. What is the sum of the perimeter of the square and rectangle?

Choices

Choice (4) Response

a.

178 cm

b.

172 cm

c.

176 cm

d.

179 cm

Question number: 89

» Everyday Mathematics

MCQ▾

Question

Mihir correctly answered 80 % of the questions in a physics test contained exactly 40 questions. How many of the questions did he answer incorrectly?

Choices

Choice (4) Response

a.

6

b.

4

c.

5

d.

8

Question number: 90

» Everyday Mathematics

MCQ▾

Question

Meena goes to a shop to buy a watch costing Rs. 1202 including sales tax of 6%. He asks the shopkeeper to reduce the price of the watch so that he can save an amount equal to the sales tax. The reduction in the price of the watch is________.

Choices

Choice (4) Response

a.

Rs 75.00

b.

Rs 72.12

c.

Rs 70.20

d.

Question does not provide sufficient data or is vague

Question number: 91

» Everyday Mathematics

MCQ▾

Question

Ratna use chart paper to make the curved surface of the kaleidoscope. What would be the area of chart paper required by her, if she wanted to make a kaleidoscope of length 25 cm with a 3.5 cm radius?

Choices

Choice (4) Response

a.

220cm2

b.

110cm2

c.

550cm2

d.

522cm2

Question number: 92

» Everyday Mathematics

MCQ▾

Question

Meena bought some packages of fruits. She bought n packages containing 10 fruits each and 2 packages containing 4 fruits. Which one of the following expression could be used to find the total number of fruits that Meena bought?

Choices

Choice (4) Response

a.

12+5n

b.

10n+12

c.

2n+10

d.

10n

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